• Register

Half-Life: Decay is the the third expansion pack for the award-winning game, Half-Life. It was included as part of the PS2 version of Half-Life. Decay returns to the setting and timeline of the original story, albeit portraying the story from the viewpoint of a different set of protagonists: two scientists working in the Black Mesa Research Facility. Decay is a cooperative multiplayer game, designed to be played by two people working together to pass through the game's levels.

NOT available on IndieDB

The game you are trying to view is not yet available on IndieDB. If this is your project and you would like to release it on IndieDB, please contact us with the details. View Half-Life: Decay on ModDB.

Continue browsing the game list, to find the profile you are after.

You may also like
Duke Nukem Forever

Duke Nukem Forever

First Person Shooter

Duke Nukem will bring his signature brand of babe-lovin', cigar-smoking, beer-chugging and ass-kicking action as he once again saves the Earth and our...

E.Y.E: Divine Cybermancy

E.Y.E: Divine Cybermancy

First Person Shooter

After unending war with metastreumonic Force, the powerful organisation Secreta Secretorum that you belong to is finally ready to undermine the head-strong...

Nexuiz Classic

Nexuiz Classic

First Person Shooter

Nexuiz GPL is a fun and free GPL deathmatch shooter released in 2005. It is a free game: source code is free software and data is free content.

DROSS

DROSS

First Person Shooter

DROSS is a first person Co-Op Xeno-Horde Procedural Rogue-like. Featuring unique procedurally generated Levels, huge swarms of endless Xeno bugs, powerful...

Living Legends 2: Armored Combat

Living Legends 2: Armored Combat

First Person Shooter

Living Legends 2: Armored Combat is a follow-up to the award-winning fan game MechWarrior: Living Legends, featuring a tactical sandbox of combined arms...

Histera

Histera

First Person Shooter

Histera is a free-to-play, fast-paced multiplayer shooter with a battlefield that changes on the fly: chunks of battlefield from past, present and future...

Borderlands

Borderlands

First Person Shooter

Borderlands is an original First Person Role Playing Shooter that combines the intuitive reward systems of action role playing games and the frantic-paced...

FreeDOOM

FreeDOOM

First Person Shooter

Freedoom is a project to create a complete Doom II-compatible IWAD file which is Free Software' The IWAD file is the file used by Doom which contains...

Tribes 2

Tribes 2

First Person Shooter

The sequel to the very popular Starsiege: Tribes. This online only game features more vehicles, more action, and updated technology to take you to the...

Feud

Feud

First Person Shooter

A free competitive first person shooter based on the demo that is available with UDK. Use your guns, sword, jet boots and your ability to temporarily...

RetroBlazer

RetroBlazer

First Person Shooter

RetroBlazer features elements prevalent in 2D games with a focus on classic running-and-gunning gameplay. You are challenged by a wide variety of enemies...

3079

3079

First Person Shooter

3079 is a futuristic, open-world action first-person role playing game. You arrive on a planet experiencing constant war. It is your duty to find out...